At professional level match officials wear a communication system that assists the decision-making process.

在专业级别的比赛中，裁判员都带有专业的交流工具，这样可以有助于做出正确的判罚。

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At professional level match officials wear a communication system that assists the decision-making process.

在专业级别的比赛中，裁判员都带有专业的交流工具，这样可以有助于做出正确的判罚。

youdao